<?php
/** .-------------------------------------------------------------------
 * |  Software: [HDCMS framework]
 * |      Site: www.hdcms.com
 * |-------------------------------------------------------------------
 * |    Author: 向军 <2300071698@qq.com>
 * |    WeChat: aihoudun
 * | Copyright (c) 2012-2019, www.houdunwang.com. All Rights Reserved.
 * '-------------------------------------------------------------------*/
namespace hdphp\str;

class Str {
	//gbk字符转utf8字符
	public function gbkToUtf8( $string ) {
		return iconv( 'gbk', 'utf-8', $string );
	}

	/**
	 * PHP代码压缩/去空白注释
	 * @param $content
	 *
	 * @return string
	 */
	public function stripWhitespace( $content ) {
		$stripStr = '';
		//分析php源码
		$tokens     = token_get_all( $content );
		$last_space = FALSE;
		for ( $i = 0, $j = count( $tokens );$i < $j;$i ++ ) {
			if ( is_string( $tokens[ $i ] ) ) {
				$last_space = FALSE;
				$stripStr .= $tokens[ $i ];
			} else {
				switch ( $tokens[ $i ][0] ) {
					//过滤各种PHP注释
					case T_COMMENT:
					case T_DOC_COMMENT:
						break;
					//过滤空格
					case T_WHITESPACE:
						if ( ! $last_space ) {
							$stripStr .= ' ';
							$last_space = TRUE;
						}
						break;
					default:
						$last_space = FALSE;
						$stripStr .= $tokens[ $i ][1];
				}
			}
		}

		return $stripStr;
	}

	//UTF8转GBK
	public function utf8ToGbk( $str ) {
		$string = '';
		if ( $str < 0x80 ) {
			$string .= $str;
		} elseif ( $str < 0x800 ) {
			$string .= chr( 0xC0 | $str >> 6 );
			$string .= chr( 0x80 | $str & 0x3F );
		} elseif ( $str < 0x10000 ) {
			$string .= chr( 0xE0 | $str >> 12 );
			$string .= chr( 0x80 | $str >> 6 & 0x3F );
			$string .= chr( 0x80 | $str & 0x3F );
		} elseif ( $str < 0x200000 ) {
			$string .= chr( 0xF0 | $str >> 18 );
			$string .= chr( 0x80 | $str >> 12 & 0x3F );
			$string .= chr( 0x80 | $str >> 6 & 0x3F );
			$string .= chr( 0x80 | $str & 0x3F );
		}

		return @iconv( 'UTF-8', 'GB2312//IGNORE', $string );
	}

	//全角转为半角
	public function toSemiangle( $str ) {
		$arr = [
			'０' => '0',
			'１' => '1',
			'２' => '2',
			'３' => '3',
			'４' => '4',
			'５' => '5',
			'６' => '6',
			'７' => '7',
			'８' => '8',
			'９' => '9',
			'Ａ' => 'A',
			'Ｂ' => 'B',
			'Ｃ' => 'C',
			'Ｄ' => 'D',
			'Ｅ' => 'E',
			'Ｆ' => 'F',
			'Ｇ' => 'G',
			'Ｈ' => 'H',
			'Ｉ' => 'I',
			'Ｊ' => 'J',
			'Ｋ' => 'K',
			'Ｌ' => 'L',
			'Ｍ' => 'M',
			'Ｎ' => 'N',
			'Ｏ' => 'O',
			'Ｐ' => 'P',
			'Ｑ' => 'Q',
			'Ｒ' => 'R',
			'Ｓ' => 'S',
			'Ｔ' => 'T',
			'Ｕ' => 'U',
			'Ｖ' => 'V',
			'Ｗ' => 'W',
			'Ｘ' => 'X',
			'Ｙ' => 'Y',
			'Ｚ' => 'Z',
			'ａ' => 'a',
			'ｂ' => 'b',
			'ｃ' => 'c',
			'ｄ' => 'd',
			'ｅ' => 'e',
			'ｆ' => 'f',
			'ｇ' => 'g',
			'ｈ' => 'h',
			'ｉ' => 'i',
			'ｊ' => 'j',
			'ｋ' => 'k',
			'ｌ' => 'l',
			'ｍ' => 'm',
			'ｎ' => 'n',
			'ｏ' => 'o',
			'ｐ' => 'p',
			'ｑ' => 'q',
			'ｒ' => 'r',
			'ｓ' => 's',
			'ｔ' => 't',
			'ｕ' => 'u',
			'ｖ' => 'v',
			'ｗ' => 'w',
			'ｘ' => 'x',
			'ｙ' => 'y',
			'ｚ' => 'z',
			'（' => '(',
			'）' => ')',
			'〔' => '[',
			'〕' => ']',
			'【' => '[',
			'】' => ']',
			'〖' => '[',
			'〗' => ']',
			'“' => '"',
			'”' => '"',
			'‘' => '[',
			'’' => ']',
			'｛' => '{',
			'｝' => '}',
			'《' => '<',
			'》' => '>',
			'％' => '%',
			'＋' => '+',
			'—' => '-',
			'－' => '-',
			'～' => '-',
			'：' => ':',
			'。' => '.',
			'、' => ',',
			'，' => ',',
			'、' => '.',
			'；' => ';',
			'？' => '?',
			'！' => '!',
			'…' => '-',
			'‖' => '|',
			'”' => '"',
			'’' => '`',
			'‘' => '`',
			'｜' => '|',
			'〃' => '"',
			'　' => ' '
		];

		return strtr( $str, $arr );
	}

	//汉字转拼音
	public function pinyin( $string, $charset = 'UTF-8' ) {
		$charset  = is_null( $charset ) ? preg_replace( "/utf-8|utf8/i", "UTF-8", C( "CHARSET" ) ) : $charset;
		$_DataKey = "a|ai|an|ang|ao|ba|bai|ban|bang|bao|bei|ben|beng|bi|bian|biao|bie|bin|bing|bo|bu|ca|cai|can|cang|cao|ce|ceng|cha" . "|chai|chan|chang|chao|che|chen|cheng|chi|chong|chou|chu|chuai|chuan|chuang|chui|chun|chuo|ci|cong|cou|cu|" . "cuan|cui|cun|cuo|da|dai|dan|dang|dao|de|deng|di|dian|diao|die|ding|diu|dong|dou|du|duan|dui|dun|duo|e|en|er" . "|fa|fan|fang|fei|fen|feng|fo|fou|fu|ga|gai|gan|gang|gao|ge|gei|gen|geng|gong|gou|gu|gua|guai|guan|guang|gui" . "|gun|guo|ha|hai|han|hang|hao|he|hei|hen|heng|hong|hou|hu|hua|huai|huan|huang|hui|hun|huo|ji|jia|jian|jiang" . "|jiao|jie|jin|jing|jiong|jiu|ju|juan|jue|jun|ka|kai|kan|kang|kao|ke|ken|keng|kong|kou|ku|kua|kuai|kuan|kuang" . "|kui|kun|kuo|la|lai|lan|lang|lao|le|lei|leng|li|lia|lian|liang|liao|lie|lin|ling|liu|long|lou|lu|lv|luan|lue" . "|lun|luo|ma|mai|man|mang|mao|me|mei|men|meng|mi|mian|miao|mie|min|ming|miu|mo|mou|mu|na|nai|nan|nang|nao|ne" . "|nei|nen|neng|ni|nian|niang|niao|nie|nin|ning|niu|nong|nu|nv|nuan|nue|nuo|o|ou|pa|pai|pan|pang|pao|pei|pen" . "|peng|pi|pian|piao|pie|pin|ping|po|pu|qi|qia|qian|qiang|qiao|qie|qin|qing|qiong|qiu|qu|quan|que|qun|ran|rang" . "|rao|re|ren|reng|ri|rong|rou|ru|ruan|rui|run|ruo|sa|sai|san|sang|sao|se|sen|seng|sha|shai|shan|shang|shao|" . "she|shen|sheng|shi|shou|shu|shua|shuai|shuan|shuang|shui|shun|shuo|si|song|sou|su|suan|sui|sun|suo|ta|tai|" . "tan|tang|tao|te|teng|ti|tian|tiao|tie|ting|tong|tou|tu|tuan|tui|tun|tuo|wa|wai|wan|wang|wei|wen|weng|wo|wu" . "|xi|xia|xian|xiang|xiao|xie|xin|xing|xiong|xiu|xu|xuan|xue|xun|ya|yan|yang|yao|ye|yi|yin|ying|yo|yong|you" . "|yu|yuan|yue|yun|za|zai|zan|zang|zao|ze|zei|zen|zeng|zha|zhai|zhan|zhang|zhao|zhe|zhen|zheng|zhi|zhong|" . "zhou|zhu|zhua|zhuai|zhuan|zhuang|zhui|zhun|zhuo|zi|zong|zou|zu|zuan|zui|zun|zuo";

		$_DataValue  = "-20319|-20317|-20304|-20295|-20292|-20283|-20265|-20257|-20242|-20230|-20051|-20036|-20032|-20026|-20002|-19990" . "|-19986|-19982|-19976|-19805|-19784|-19775|-19774|-19763|-19756|-19751|-19746|-19741|-19739|-19728|-19725" . "|-19715|-19540|-19531|-19525|-19515|-19500|-19484|-19479|-19467|-19289|-19288|-19281|-19275|-19270|-19263" . "|-19261|-19249|-19243|-19242|-19238|-19235|-19227|-19224|-19218|-19212|-19038|-19023|-19018|-19006|-19003" . "|-18996|-18977|-18961|-18952|-18783|-18774|-18773|-18763|-18756|-18741|-18735|-18731|-18722|-18710|-18697" . "|-18696|-18526|-18518|-18501|-18490|-18478|-18463|-18448|-18447|-18446|-18239|-18237|-18231|-18220|-18211" . "|-18201|-18184|-18183|-18181|-18012|-17997|-17988|-17970|-17964|-17961|-17950|-17947|-17931|-17928|-17922" . "|-17759|-17752|-17733|-17730|-17721|-17703|-17701|-17697|-17692|-17683|-17676|-17496|-17487|-17482|-17468" . "|-17454|-17433|-17427|-17417|-17202|-17185|-16983|-16970|-16942|-16915|-16733|-16708|-16706|-16689|-16664" . "|-16657|-16647|-16474|-16470|-16465|-16459|-16452|-16448|-16433|-16429|-16427|-16423|-16419|-16412|-16407" . "|-16403|-16401|-16393|-16220|-16216|-16212|-16205|-16202|-16187|-16180|-16171|-16169|-16158|-16155|-15959" . "|-15958|-15944|-15933|-15920|-15915|-15903|-15889|-15878|-15707|-15701|-15681|-15667|-15661|-15659|-15652" . "|-15640|-15631|-15625|-15454|-15448|-15436|-15435|-15419|-15416|-15408|-15394|-15385|-15377|-15375|-15369" . "|-15363|-15362|-15183|-15180|-15165|-15158|-15153|-15150|-15149|-15144|-15143|-15141|-15140|-15139|-15128" . "|-15121|-15119|-15117|-15110|-15109|-14941|-14937|-14933|-14930|-14929|-14928|-14926|-14922|-14921|-14914" . "|-14908|-14902|-14894|-14889|-14882|-14873|-14871|-14857|-14678|-14674|-14670|-14668|-14663|-14654|-14645" . "|-14630|-14594|-14429|-14407|-14399|-14384|-14379|-14368|-14355|-14353|-14345|-14170|-14159|-14151|-14149" . "|-14145|-14140|-14137|-14135|-14125|-14123|-14122|-14112|-14109|-14099|-14097|-14094|-14092|-14090|-14087" . "|-14083|-13917|-13914|-13910|-13907|-13906|-13905|-13896|-13894|-13878|-13870|-13859|-13847|-13831|-13658" . "|-13611|-13601|-13406|-13404|-13400|-13398|-13395|-13391|-13387|-13383|-13367|-13359|-13356|-13343|-13340" . "|-13329|-13326|-13318|-13147|-13138|-13120|-13107|-13096|-13095|-13091|-13076|-13068|-13063|-13060|-12888" . "|-12875|-12871|-12860|-12858|-12852|-12849|-12838|-12831|-12829|-12812|-12802|-12607|-12597|-12594|-12585" . "|-12556|-12359|-12346|-12320|-12300|-12120|-12099|-12089|-12074|-12067|-12058|-12039|-11867|-11861|-11847" . "|-11831|-11798|-11781|-11604|-11589|-11536|-11358|-11340|-11339|-11324|-11303|-11097|-11077|-11067|-11055" . "|-11052|-11045|-11041|-11038|-11024|-11020|-11019|-11018|-11014|-10838|-10832|-10815|-10800|-10790|-10780" . "|-10764|-10587|-10544|-10533|-10519|-10331|-10329|-10328|-10322|-10315|-10309|-10307|-10296|-10281|-10274" . "|-10270|-10262|-10260|-10256|-10254";
		$_TDataKey   = explode( '|', $_DataKey );
		$_TDataValue = explode( '|', $_DataValue );
		$_Data       = array_combine( $_TDataKey, $_TDataValue );
		arsort( $_Data );
		reset( $_Data );

		//假如编码不是gb2312,则启用utf-8
		if ( $charset != 'gb2312' ) {
			$string = self::utf8ToGbk( $string );
		}

		$_Res = '';
		for ( $i = 0;$i < strlen( $string );$i ++ ) {
			$_P = ord( substr( $string, $i, 1 ) );
			/**
			 *
			 */
			if ( $_P > 160 ) {
				$_Q = ord( substr( $string, ++ $i, 1 ) );
				$_P = $_P * 256 + $_Q - 65536;
			}
			$_Res .= self::getPinyin( $_P, $_Data );
		}

		return preg_replace( "/[^a-z0-9]*/", '', $_Res );
	}

	//获得拼音字符串
	private function getPinyin( $_Num, $_Data ) {
		;
		if ( $_Num > 0 && $_Num < 160 ) {
			return chr( $_Num );
		} elseif ( $_Num < - 20319 || $_Num > - 10247 ) {
			return '';
		} else {
			foreach ( $_Data as $k => $v ) {
				if ( $v <= $_Num ) {
					break;
				}
			}

			return $k;
		}
	}

	//去除标点符号
	public function removePunctuation( $string ) {
		$string = string::toSemiangle( $string );
		$preg   = "/[,.!;:<>\?'\"@#$%^&*\(\)\-_\+=\|\\\{\}\[\]\/`]/i";

		return preg_replace( $preg, "", $string );
	}

	//获取随机数
	public function rand( $len = 10 ) {
		$data = 'abcdefghijklmnopqrstuvwxyz0123456789';
		$str  = '';
		while ( strlen( $str ) < $len ) {
			$str .= substr( $data, mt_rand( 0, strlen( $data ) - 1 ), 1 );
		}

		return $str;
	}
}